PT-2020-14394 · None+4 · Ajv+4

Published 2020-07-15 · Updated 2024-06-21 · CVE-2020-15366

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions Ajv versions 6.12.2

Description An issue was discovered in ajv.validate() that allows execution of other code by prototype pollution when a carefully crafted JSON schema is provided. The worst-case scenario for an untrusted schema should be a denial of service, not code execution.

Recommendations For version 6.12.2, consider disabling the ajv.validate() function until a patch is available to prevent potential code execution via prototype pollution.

Exploit

Fix

DoS

Prototype Pollution

Weakness Enumeration

CWE-1321

CWE-915

Related Identifiers

ALSA-2020:5499

ALSA-2021:0548

ALSA-2021:0551

CESA-2020_5499

CESA-2021_0548

CESA-2021_0551

CVE-2020-15366

GHSA-V88G-CGMW-V5XW

OESA-2022-1620

RHSA-2020:5305

RHSA-2020:5499

RHSA-2020_5499

RHSA-2021:0421

RHSA-2021:0521

RHSA-2021:0548

RHSA-2021:0551

RHSA-2021:0781

RHSA-2021_0548

RHSA-2021_0551

RLSA-2020:5499

RLSA-2021:0548

RLSA-2021:0551

Affected Products

Almalinux

Centos

Red Hat

Rocky Linux

Ajv

References · 67

• 🔥 https://github.com/masahiro331/CVE-2020-8277 · Exploit
• https://osv.dev/vulnerability/OESA-2022-1620 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2021:0551 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-15366 · Vendor Advisory
• https://osv.dev/vulnerability/RLSA-2021:0551 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2020:5499 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-15366 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-15366 · Security Note
• https://osv.dev/vulnerability/RLSA-2020:5499 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2021-0548.html · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-v88g-cgmw-v5xw · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-22960 · Security Note
• https://ubuntu.com/security/CVE-2020-15366 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2020-5499.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-21824 · Security Note